711 lines
26 KiB
Python
711 lines
26 KiB
Python
# builtin.py - builtins and utilities definitions for pysh.
|
|
#
|
|
# Copyright 2007 Patrick Mezard
|
|
#
|
|
# This software may be used and distributed according to the terms
|
|
# of the GNU General Public License, incorporated herein by reference.
|
|
|
|
"""Builtin and internal utilities implementations.
|
|
|
|
- Beware not to use python interpreter environment as if it were the shell
|
|
environment. For instance, commands working directory must be explicitely handled
|
|
through env['PWD'] instead of relying on python working directory.
|
|
"""
|
|
import errno
|
|
import optparse
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
import time
|
|
|
|
def has_subprocess_bug():
|
|
return getattr(subprocess, 'list2cmdline') and \
|
|
( subprocess.list2cmdline(['']) == '' or \
|
|
subprocess.list2cmdline(['foo|bar']) == 'foo|bar')
|
|
|
|
# Detect python bug 1634343: "subprocess swallows empty arguments under win32"
|
|
# <http://sourceforge.net/tracker/index.php?func=detail&aid=1634343&group_id=5470&atid=105470>
|
|
# Also detect: "[ 1710802 ] subprocess must escape redirection characters under win32"
|
|
# <http://sourceforge.net/tracker/index.php?func=detail&aid=1710802&group_id=5470&atid=105470>
|
|
if has_subprocess_bug():
|
|
import subprocess_fix
|
|
subprocess.list2cmdline = subprocess_fix.list2cmdline
|
|
|
|
from sherrors import *
|
|
|
|
class NonExitingParser(optparse.OptionParser):
|
|
"""OptionParser default behaviour upon error is to print the error message and
|
|
exit. Raise a utility error instead.
|
|
"""
|
|
def error(self, msg):
|
|
raise UtilityError(msg)
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# set special builtin
|
|
#-------------------------------------------------------------------------------
|
|
OPT_SET = NonExitingParser(usage="set - set or unset options and positional parameters")
|
|
OPT_SET.add_option( '-f', action='store_true', dest='has_f', default=False,
|
|
help='The shell shall disable pathname expansion.')
|
|
OPT_SET.add_option('-e', action='store_true', dest='has_e', default=False,
|
|
help="""When this option is on, if a simple command fails for any of the \
|
|
reasons listed in Consequences of Shell Errors or returns an exit status \
|
|
value >0, and is not part of the compound list following a while, until, \
|
|
or if keyword, and is not a part of an AND or OR list, and is not a \
|
|
pipeline preceded by the ! reserved word, then the shell shall immediately \
|
|
exit.""")
|
|
OPT_SET.add_option('-x', action='store_true', dest='has_x', default=False,
|
|
help="""The shell shall write to standard error a trace for each command \
|
|
after it expands the command and before it executes it. It is unspecified \
|
|
whether the command that turns tracing off is traced.""")
|
|
|
|
def builtin_set(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
option, args = OPT_SET.parse_args(args)
|
|
env = interp.get_env()
|
|
|
|
if option.has_f:
|
|
env.set_opt('-f')
|
|
if option.has_e:
|
|
env.set_opt('-e')
|
|
if option.has_x:
|
|
env.set_opt('-x')
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# shift special builtin
|
|
#-------------------------------------------------------------------------------
|
|
def builtin_shift(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
params = interp.get_env().get_positional_args()
|
|
if args:
|
|
try:
|
|
n = int(args[0])
|
|
if n > len(params):
|
|
raise ValueError()
|
|
except ValueError:
|
|
return 1
|
|
else:
|
|
n = 1
|
|
|
|
params[:n] = []
|
|
interp.get_env().set_positional_args(params)
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# export special builtin
|
|
#-------------------------------------------------------------------------------
|
|
OPT_EXPORT = NonExitingParser(usage="set - set or unset options and positional parameters")
|
|
OPT_EXPORT.add_option('-p', action='store_true', dest='has_p', default=False)
|
|
|
|
def builtin_export(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
option, args = OPT_EXPORT.parse_args(args)
|
|
if option.has_p:
|
|
raise NotImplementedError()
|
|
|
|
for arg in args:
|
|
try:
|
|
name, value = arg.split('=', 1)
|
|
except ValueError:
|
|
name, value = arg, None
|
|
env = interp.get_env().export(name, value)
|
|
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# return special builtin
|
|
#-------------------------------------------------------------------------------
|
|
def builtin_return(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
res = 0
|
|
if args:
|
|
try:
|
|
res = int(args[0])
|
|
except ValueError:
|
|
res = 0
|
|
if not 0<=res<=255:
|
|
res = 0
|
|
|
|
# BUG: should be last executed command exit code
|
|
raise ReturnSignal(res)
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# trap special builtin
|
|
#-------------------------------------------------------------------------------
|
|
def builtin_trap(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
if len(args) < 2:
|
|
stderr.write('trap: usage: trap [[arg] signal_spec ...]\n')
|
|
return 2
|
|
|
|
action = args[0]
|
|
for sig in args[1:]:
|
|
try:
|
|
env.traps[sig] = action
|
|
except Exception as e:
|
|
stderr.write('trap: %s\n' % str(e))
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# unset special builtin
|
|
#-------------------------------------------------------------------------------
|
|
OPT_UNSET = NonExitingParser("unset - unset values and attributes of variables and functions")
|
|
OPT_UNSET.add_option( '-f', action='store_true', dest='has_f', default=False)
|
|
OPT_UNSET.add_option( '-v', action='store_true', dest='has_v', default=False)
|
|
|
|
def builtin_unset(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
option, args = OPT_UNSET.parse_args(args)
|
|
|
|
status = 0
|
|
env = interp.get_env()
|
|
for arg in args:
|
|
try:
|
|
if option.has_f:
|
|
env.remove_function(arg)
|
|
else:
|
|
del env[arg]
|
|
except KeyError:
|
|
pass
|
|
except VarAssignmentError:
|
|
status = 1
|
|
|
|
return status
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# wait special builtin
|
|
#-------------------------------------------------------------------------------
|
|
def builtin_wait(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
return interp.wait([int(arg) for arg in args])
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# cat utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_cat(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
if not args:
|
|
args = ['-']
|
|
|
|
status = 0
|
|
for arg in args:
|
|
if arg == '-':
|
|
data = stdin.read()
|
|
else:
|
|
path = os.path.join(env['PWD'], arg)
|
|
try:
|
|
f = file(path, 'rb')
|
|
try:
|
|
data = f.read()
|
|
finally:
|
|
f.close()
|
|
except IOError as e:
|
|
if e.errno != errno.ENOENT:
|
|
raise
|
|
status = 1
|
|
continue
|
|
stdout.write(data)
|
|
stdout.flush()
|
|
return status
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# cd utility
|
|
#-------------------------------------------------------------------------------
|
|
OPT_CD = NonExitingParser("cd - change the working directory")
|
|
|
|
def utility_cd(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
option, args = OPT_CD.parse_args(args)
|
|
env = interp.get_env()
|
|
|
|
directory = None
|
|
printdir = False
|
|
if not args:
|
|
home = env.get('HOME')
|
|
if home:
|
|
# Unspecified, do nothing
|
|
return 0
|
|
else:
|
|
directory = home
|
|
elif len(args)==1:
|
|
directory = args[0]
|
|
if directory=='-':
|
|
if 'OLDPWD' not in env:
|
|
raise UtilityError("OLDPWD not set")
|
|
printdir = True
|
|
directory = env['OLDPWD']
|
|
else:
|
|
raise UtilityError("too many arguments")
|
|
|
|
curpath = None
|
|
# Absolute directories will be handled correctly by the os.path.join call.
|
|
if not directory.startswith('.') and not directory.startswith('..'):
|
|
cdpaths = env.get('CDPATH', '.').split(';')
|
|
for cdpath in cdpaths:
|
|
p = os.path.join(cdpath, directory)
|
|
if os.path.isdir(p):
|
|
curpath = p
|
|
break
|
|
|
|
if curpath is None:
|
|
curpath = directory
|
|
curpath = os.path.join(env['PWD'], directory)
|
|
|
|
env['OLDPWD'] = env['PWD']
|
|
env['PWD'] = curpath
|
|
if printdir:
|
|
stdout.write('%s\n' % curpath)
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# colon utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_colon(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# echo utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_echo(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
# Echo only takes arguments, no options. Use printf if you need fancy stuff.
|
|
output = ' '.join(args) + '\n'
|
|
stdout.write(output)
|
|
stdout.flush()
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# egrep utility
|
|
#-------------------------------------------------------------------------------
|
|
# egrep is usually a shell script.
|
|
# Unfortunately, pysh does not support shell scripts *with arguments* right now,
|
|
# so the redirection is implemented here, assuming grep is available.
|
|
def utility_egrep(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
return run_command('grep', ['-E'] + args, interp, env, stdin, stdout,
|
|
stderr, debugflags)
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# env utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_env(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
if args and args[0]=='-i':
|
|
raise NotImplementedError('env: -i option is not implemented')
|
|
|
|
i = 0
|
|
for arg in args:
|
|
if '=' not in arg:
|
|
break
|
|
# Update the current environment
|
|
name, value = arg.split('=', 1)
|
|
env[name] = value
|
|
i += 1
|
|
|
|
if args[i:]:
|
|
# Find then execute the specified interpreter
|
|
utility = env.find_in_path(args[i])
|
|
if not utility:
|
|
return 127
|
|
args[i:i+1] = utility
|
|
name = args[i]
|
|
args = args[i+1:]
|
|
try:
|
|
return run_command(name, args, interp, env, stdin, stdout, stderr,
|
|
debugflags)
|
|
except UtilityError:
|
|
stderr.write('env: failed to execute %s' % ' '.join([name]+args))
|
|
return 126
|
|
else:
|
|
for pair in env.get_variables().iteritems():
|
|
stdout.write('%s=%s\n' % pair)
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# exit utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_exit(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
res = None
|
|
if args:
|
|
try:
|
|
res = int(args[0])
|
|
except ValueError:
|
|
res = None
|
|
if not 0<=res<=255:
|
|
res = None
|
|
|
|
if res is None:
|
|
# BUG: should be last executed command exit code
|
|
res = 0
|
|
|
|
raise ExitSignal(res)
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# fgrep utility
|
|
#-------------------------------------------------------------------------------
|
|
# see egrep
|
|
def utility_fgrep(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
return run_command('grep', ['-F'] + args, interp, env, stdin, stdout,
|
|
stderr, debugflags)
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# gunzip utility
|
|
#-------------------------------------------------------------------------------
|
|
# see egrep
|
|
def utility_gunzip(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
return run_command('gzip', ['-d'] + args, interp, env, stdin, stdout,
|
|
stderr, debugflags)
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# kill utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_kill(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
for arg in args:
|
|
pid = int(arg)
|
|
status = subprocess.call(['pskill', '/T', str(pid)],
|
|
shell=True,
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
# pskill is asynchronous, hence the stupid polling loop
|
|
while 1:
|
|
p = subprocess.Popen(['pslist', str(pid)],
|
|
shell=True,
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT)
|
|
output = p.communicate()[0]
|
|
if ('process %d was not' % pid) in output:
|
|
break
|
|
time.sleep(1)
|
|
return status
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# mkdir utility
|
|
#-------------------------------------------------------------------------------
|
|
OPT_MKDIR = NonExitingParser("mkdir - make directories.")
|
|
OPT_MKDIR.add_option('-p', action='store_true', dest='has_p', default=False)
|
|
|
|
def utility_mkdir(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
# TODO: implement umask
|
|
# TODO: implement proper utility error report
|
|
option, args = OPT_MKDIR.parse_args(args)
|
|
for arg in args:
|
|
path = os.path.join(env['PWD'], arg)
|
|
if option.has_p:
|
|
try:
|
|
os.makedirs(path)
|
|
except IOError as e:
|
|
if e.errno != errno.EEXIST:
|
|
raise
|
|
else:
|
|
os.mkdir(path)
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# netstat utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_netstat(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
# Do you really expect me to implement netstat ?
|
|
# This empty form is enough for Mercurial tests since it's
|
|
# supposed to generate nothing upon success. Faking this test
|
|
# is not a big deal either.
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# pwd utility
|
|
#-------------------------------------------------------------------------------
|
|
OPT_PWD = NonExitingParser("pwd - return working directory name")
|
|
OPT_PWD.add_option('-L', action='store_true', dest='has_L', default=True,
|
|
help="""If the PWD environment variable contains an absolute pathname of \
|
|
the current directory that does not contain the filenames dot or dot-dot, \
|
|
pwd shall write this pathname to standard output. Otherwise, the -L option \
|
|
shall behave as the -P option.""")
|
|
OPT_PWD.add_option('-P', action='store_true', dest='has_L', default=False,
|
|
help="""The absolute pathname written shall not contain filenames that, in \
|
|
the context of the pathname, refer to files of type symbolic link.""")
|
|
|
|
def utility_pwd(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
option, args = OPT_PWD.parse_args(args)
|
|
stdout.write('%s\n' % env['PWD'])
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# printf utility
|
|
#-------------------------------------------------------------------------------
|
|
RE_UNESCAPE = re.compile(r'(\\x[a-zA-Z0-9]{2}|\\[0-7]{1,3}|\\.)')
|
|
|
|
def utility_printf(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
def replace(m):
|
|
assert m.group()
|
|
g = m.group()[1:]
|
|
if g.startswith('x'):
|
|
return chr(int(g[1:], 16))
|
|
if len(g) <= 3 and len([c for c in g if c in '01234567']) == len(g):
|
|
# Yay, an octal number
|
|
return chr(int(g, 8))
|
|
return {
|
|
'a': '\a',
|
|
'b': '\b',
|
|
'f': '\f',
|
|
'n': '\n',
|
|
'r': '\r',
|
|
't': '\t',
|
|
'v': '\v',
|
|
'\\': '\\',
|
|
}.get(g)
|
|
|
|
# Convert escape sequences
|
|
format = re.sub(RE_UNESCAPE, replace, args[0])
|
|
stdout.write(format % tuple(args[1:]))
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# true utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_true(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# sed utility
|
|
#-------------------------------------------------------------------------------
|
|
RE_SED = re.compile(r'^s(.).*\1[a-zA-Z]*$')
|
|
|
|
# cygwin sed fails with some expressions when they do not end with a single space.
|
|
# see unit tests for details. Interestingly, the same expressions works perfectly
|
|
# in cygwin shell.
|
|
def utility_sed(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
# Scan pattern arguments and append a space if necessary
|
|
for i in xrange(len(args)):
|
|
if not RE_SED.search(args[i]):
|
|
continue
|
|
args[i] = args[i] + ' '
|
|
|
|
return run_command(name, args, interp, env, stdin, stdout,
|
|
stderr, debugflags)
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# sleep utility
|
|
#-------------------------------------------------------------------------------
|
|
def utility_sleep(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
time.sleep(int(args[0]))
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# sort utility
|
|
#-------------------------------------------------------------------------------
|
|
OPT_SORT = NonExitingParser("sort - sort, merge, or sequence check text files")
|
|
|
|
def utility_sort(name, args, interp, env, stdin, stdout, stderr, debugflags):
|
|
|
|
def sort(path):
|
|
if path == '-':
|
|
lines = stdin.readlines()
|
|
else:
|
|
try:
|
|
f = file(path)
|
|
try:
|
|
lines = f.readlines()
|
|
finally:
|
|
f.close()
|
|
except IOError as e:
|
|
stderr.write(str(e) + '\n')
|
|
return 1
|
|
|
|
if lines and lines[-1][-1]!='\n':
|
|
lines[-1] = lines[-1] + '\n'
|
|
return lines
|
|
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
option, args = OPT_SORT.parse_args(args)
|
|
alllines = []
|
|
|
|
if len(args)<=0:
|
|
args += ['-']
|
|
|
|
# Load all files lines
|
|
curdir = os.getcwd()
|
|
try:
|
|
os.chdir(env['PWD'])
|
|
for path in args:
|
|
alllines += sort(path)
|
|
finally:
|
|
os.chdir(curdir)
|
|
|
|
alllines.sort()
|
|
for line in alllines:
|
|
stdout.write(line)
|
|
return 0
|
|
|
|
#-------------------------------------------------------------------------------
|
|
# hg utility
|
|
#-------------------------------------------------------------------------------
|
|
|
|
hgcommands = [
|
|
'add',
|
|
'addremove',
|
|
'commit', 'ci',
|
|
'debugrename',
|
|
'debugwalk',
|
|
'falabala', # Dummy command used in a mercurial test
|
|
'incoming',
|
|
'locate',
|
|
'pull',
|
|
'push',
|
|
'qinit',
|
|
'remove', 'rm',
|
|
'rename', 'mv',
|
|
'revert',
|
|
'showconfig',
|
|
'status', 'st',
|
|
'strip',
|
|
]
|
|
|
|
def rewriteslashes(name, args):
|
|
# Several hg commands output file paths, rewrite the separators
|
|
if len(args) > 1 and name.lower().endswith('python') \
|
|
and args[0].endswith('hg'):
|
|
for cmd in hgcommands:
|
|
if cmd in args[1:]:
|
|
return True
|
|
|
|
# svn output contains many paths with OS specific separators.
|
|
# Normalize these to unix paths.
|
|
base = os.path.basename(name)
|
|
if base.startswith('svn'):
|
|
return True
|
|
|
|
return False
|
|
|
|
def rewritehg(output):
|
|
if not output:
|
|
return output
|
|
# Rewrite os specific messages
|
|
output = output.replace(': The system cannot find the file specified',
|
|
': No such file or directory')
|
|
output = re.sub(': Access is denied.*$', ': Permission denied', output)
|
|
output = output.replace(': No connection could be made because the target machine actively refused it',
|
|
': Connection refused')
|
|
return output
|
|
|
|
|
|
def run_command(name, args, interp, env, stdin, stdout,
|
|
stderr, debugflags):
|
|
# Execute the command
|
|
if 'debug-utility' in debugflags:
|
|
print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
|
|
|
|
hgbin = interp.options().hgbinary
|
|
ishg = hgbin and ('hg' in name or args and 'hg' in args[0])
|
|
unixoutput = 'cygwin' in name or ishg
|
|
|
|
exec_env = env.get_variables()
|
|
try:
|
|
# BUG: comparing file descriptor is clearly not a reliable way to tell
|
|
# whether they point on the same underlying object. But in pysh limited
|
|
# scope this is usually right, we do not expect complicated redirections
|
|
# besides usual 2>&1.
|
|
# Still there is one case we have but cannot deal with is when stdout
|
|
# and stderr are redirected *by pysh caller*. This the reason for the
|
|
# --redirect pysh() option.
|
|
# Now, we want to know they are the same because we sometimes need to
|
|
# transform the command output, mostly remove CR-LF to ensure that
|
|
# command output is unix-like. Cygwin utilies are a special case because
|
|
# they explicitely set their output streams to binary mode, so we have
|
|
# nothing to do. For all others commands, we have to guess whether they
|
|
# are sending text data, in which case the transformation must be done.
|
|
# Again, the NUL character test is unreliable but should be enough for
|
|
# hg tests.
|
|
redirected = stdout.fileno()==stderr.fileno()
|
|
if not redirected:
|
|
p = subprocess.Popen([name] + args, cwd=env['PWD'], env=exec_env,
|
|
stdin=stdin, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
else:
|
|
p = subprocess.Popen([name] + args, cwd=env['PWD'], env=exec_env,
|
|
stdin=stdin, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
|
|
out, err = p.communicate()
|
|
except WindowsError as e:
|
|
raise UtilityError(str(e))
|
|
|
|
if not unixoutput:
|
|
def encode(s):
|
|
if '\0' in s:
|
|
return s
|
|
return s.replace('\r\n', '\n')
|
|
else:
|
|
encode = lambda s: s
|
|
|
|
if rewriteslashes(name, args):
|
|
encode1_ = encode
|
|
def encode(s):
|
|
s = encode1_(s)
|
|
s = s.replace('\\\\', '\\')
|
|
s = s.replace('\\', '/')
|
|
return s
|
|
|
|
if ishg:
|
|
encode2_ = encode
|
|
def encode(s):
|
|
return rewritehg(encode2_(s))
|
|
|
|
stdout.write(encode(out))
|
|
if not redirected:
|
|
stderr.write(encode(err))
|
|
return p.returncode
|
|
|